1 files changed, 74 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/asm/ASMMemFill32-generic.cpp b/src/VBox/Runtime/common/asm/ASMMemFill32-generic.cpp
new file mode 100644
index 00000000..ecb01ab3
--- /dev/null
+++ b/src/VBox/Runtime/common/asm/ASMMemFill32-generic.cpp
@@ -0,0 +1,74 @@
+/* $Id: ASMMemFill32-generic.cpp $ */
+/** @file
+ * IPRT - ASMMemZeroPage - generic C implementation.
+ */
+
+/*
+ * Copyright (C) 2021-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#include <iprt/asm.h>
+#include "internal/iprt.h"
+
+#include <iprt/string.h>
+#include <iprt/assert.h>
+
+
+RTDECL(void) ASMMemFill32(volatile void RT_FAR *pv, size_t cb, uint32_t u32) RT_NOTHROW_DEF
+{
+    Assert(!(cb & 3));
+    size_t cFills = cb / sizeof(uint32_t);
+    uint32_t *pu32Dst = (uint32_t *)pv;
+
+    while (cFills >= 8)
+    {
+        pu32Dst[0] = u32;
+        pu32Dst[1] = u32;
+        pu32Dst[2] = u32;
+        pu32Dst[3] = u32;
+        pu32Dst[4] = u32;
+        pu32Dst[5] = u32;
+        pu32Dst[6] = u32;
+        pu32Dst[7] = u32;
+        pu32Dst += 8;
+        cFills  -= 8;
+    }
+
+    while (cFills > 0)
+    {
+        *pu32Dst++ = u32;
+        cFills -= 1;
+    }
+}
+